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https://www.readbyqxmd.com/read/29759685/evaluation-of-the-small-aperture-intracorneal-inlay-three-year-results-from-the-cohort-of-the-u-s-food-and-drug-administration-clinical-trial
#1
John A Vukich, Daniel S Durrie, Jay S Pepose, Vance Thompson, Corina van de Pol, Ling Lin
PURPOSE: To evaluate the safety and effectiveness of the Kamra small-aperture intracorneal inlay. SETTING: Centers in North America, Europe, Asia, and Australia. DESIGN: Prospective clinical trial. METHODS: Patients with emmetropic presbyopia had intracorneal implantation of the inlay in the nondominant eye. RESULTS: The study comprised 507 patients with emmetropic presbyopia who were aged 45 to 60 years old...
May 11, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29754975/endoscopic-endonasal-double-flap-technique-for-reconstruction-of-large-anterior-skull-base-defects-technical-note
#2
Ricardo Landini Lutaif Dolci, Alexandre Bossi Todeschini, Américo Rubens Leite Dos Santos, Paulo Roberto Lazarini
INTRODUCTION: One of the main concerns in endoscopic endonasal approaches to the skull base has been the high incidence and morbidity associated with cerebrospinal fluid leaks. The introduction and routine use of vascularized flaps allowed a marked decrease in this complication followed by a great expansion in the indications and techniques used in endoscopic endonasal approaches, extending to defects from huge tumours and previously inaccessible areas of the skull base. OBJECTIVE: Describe the technique of performing endoscopic double flap multi-layered reconstruction of the anterior skull base without craniotomy...
April 19, 2018: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29751026/urethroplasty-after-urethral-urolume-stent-an-international-multicenter-experience
#3
Javier C Angulo, Sanjay Kulkarni, Joshi Pankaj, Dmitriy Nikolavsky, Pedro Suarez, Javier Belinky, Ramón Virasoro, Jessica DeLong, Francisco E Martins, Nicolaas Lumen, Carlos Giudice, Oscar A Suárez, Nicolás Menéndez, Leandro Capiel, Damian López-Alvarado, Erick A Ramirez, Krishnan Venkatesan, Maha M Husainat, Cristina Esquinas, Ignacio Arance, Reynaldo Gómez, Richard Santucci
PURPOSE: To evaluate the outcomes and factors affecting success of urethroplasty in patients with stricture recurrence after Urolume® urethral stent. MATERIAL & METHODS: Retrospective international multicenter study on patients treated with urethral reconstruction after Urolume® stent. Stricture and stent length, time between urethral stent insertion and urethroplasty, age, mode of stent retrieval, type of urethroplasty, complications and baseline and post-urethroplasty voiding parameters were analyzed...
May 8, 2018: Urology
https://www.readbyqxmd.com/read/29738595/corneal-inlays-for-presbyopia-explanted-due-to-corneal-haze
#4
Hon Shing Ong, Anita S Chan, Christine W Yau, Jodhbir S Mehta
PURPOSE: To present 3 patients who required explantation of KAMRA inlays (AcuFocus, Inc., Irvine, CA) due to visual symptoms caused by postoperative corneal haze. METHODS: Case series. RESULTS: All patients had good near and distance vision immediately following implantation. They developed visual symptoms 3 to 6 years later. All patients reported a decline in distance vision. Two patients had hyperopic shift with flattening of the central cornea...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29738586/retrospective-comparison-of-visual-outcomes-after-kamra-corneal-inlay-implantation-with-simultaneous-prk-or-lasik
#5
Majid Moshirfar, Andrew E Bean, Julio C Albarracin, Ronald L Rebenitsch, Ryan T Wallace, Orry C Birdsong
PURPOSE: To report a retrospective study of simultaneous LASIK versus photorefractive keratectomy (PRK) with accompanying small-aperture cornea inlay implantation (KAMRA; AcuFocus, Inc., Irvine, CA) in treating presbyopia. METHODS: Simultaneous LASIK/inlay and simultaneous PRK/inlay was performed on 79 and 47 patients, respectively. Follow-up examinations were conducted at 1, 3, and 6 months postoperatively. The main outcome measures were safety, efficacy, predictability, and stability with primary emphasis on monocular uncorrected near visual acuity (UNVA)...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29708928/revisiting-monovision-for-presbyopia
#6
Abdallah Mahrous, Jessica B Ciralsky, Edward C Lai
PURPOSE OF REVIEW: Presbyopia is an inevitable age-related loss of accommodation that results in spectacle dependence with common everyday near-vision tasks. Many surgical approaches to presbyopic correction have been investigated, with monovision correction being amongst the most common and attractive options. In this article, we will review the advantages and disadvantages of the new modalities of presbyopic monovision correction. RECENT FINDINGS: New methods such as mini-monovision, corneal inlays, and multifocal corneal ablation aim to maximize stereopsis and decrease the anisometropic side effects of conventional monovision...
April 27, 2018: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/29699828/wear-kinetics-of-highly-cross-linked-and-conventional-polyethylene-are-similar-at-medium-term-follow-up-after-primary-total-hip-arthroplasty
#7
Constantin Mayer, Moritz Rommelmann, Michael Behringer, Marcus Jäger, Rüdiger Krauspe, Christoph Zilkens
BACKGROUND: Wear debris is a major factor in aseptic loosening of total hip arthroplasty. Ultra high molecular weight polyethylene inlays are known for significant wear, and the following generation, highly cross-linked polyethylene (HCLPE), has shown promising in vitro and short-term in vivo results. This study aimed to investigate wear debris of HCLPE liners with ceramic heads after 9 years to reveal the in vivo wear kinetics of this common bearing combination. METHODS: Fifty-seven patients (72 hips; 46...
March 17, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29692562/comparison-of-marginal-and-internal-adaptation-of-copings-fabricated-from-three-different-fabrication-techniques-an-in-vitro-study
#8
Aman Arora, Avneet Yadav, Viram Upadhyaya, Prachi Jain, Mrinalini Verma
Aim: The purpose of this study was to compare the marginal and internal adaptation of cobalt-chromium (Co-Cr) copings fabricated from conventional wax pattern, three-dimensional (3D)-printed resin pattern, and laser sintering technique. Materials and Methods: A total of thirty copings were made, out of which ten copings were made from 3D-printed resin pattern (Group A), ten from inlay wax pattern (Group B), and ten copings were obtained from direct metal laser sintering (DMLS) technique (Group C)...
April 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29691761/open-tibial-inlay-pcl-reconstruction-surgical-technique-and-clinical-outcomes
#9
REVIEW
Evan E Vellios, Kristofer J Jones, David R McAllister
PURPOSE OF REVIEW: To review the current literature on clinical outcomes following open tibial inlay posterior cruciate ligament (PCL) reconstruction and provide the reader with a detailed description of the author's preferred surgical technique. RECENT FINDINGS: Despite earlier biomechanical studies which demonstrated superiority of the PCL inlay technique when compared to transtibial techniques, recent longitudinal cohort studies have shown no significant differences in clinical or functional outcomes at 10-year follow-up...
April 24, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29681835/diagnostic-and-management-tool-for-monitoring-patients-implanted-with-a-shape-changing-corneal-inlay
#10
Ralph Chu, Briana R Lee
We report two cases that underwent corneal inlay implantation under a femtosecond flap. The first case had no complications during the postoperative period. Pentacam maps remained stable over time: corneal densitometry (CD) values had less than 2 units of change across visits up to 3 years. Axial/sagittal topography maps showed a stable Kmax (∼47 D), i.e., less than 1 D change between visits. The second case developed haze at 8 months postoperatively. CD increased by more than 4 units from 3 to 8 M and Kmax increased by 2...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29678248/influence-of-immediate-dentin-sealing-and-interim-cementation-on-the-adhesion-of-indirect-restorations-with-dual-polymerizing-resin-cement
#11
Nallu G L Hironaka, Adriana L M Ubaldini, Francielle Sato, Marcelo Giannini, Raquel S S Terada, Renata C Pascotto
STATEMENT OF PROBLEM: Dentin surface contamination before the cementation of indirect restorations may impact bonding effectiveness. PURPOSE: The purpose of this in vitro study was to analyze the influence of immediate dentin sealing (IDS) and interim cementation on the adhesion of indirect restorations with a dual-polymerizing resin cement. MATERIAL AND METHODS: Composite resin inlays were placed in class V cavities prepared in the buccal and lingual surfaces of 30 extracted human molars with a dual-polymerizing resin cement in 3 different ways (n=10): CG, directly on dentin; PG, after 14 days interim cementation; SG, after IDS and 14 days interim cementation...
April 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29660055/accuracy-assessment-of-pedicle-and-lateral-mass-screw-insertion-assisted-by-customized-3d-printed-drill-guides-a-human-cadaver-study
#12
Peter A J Pijpker, Joep Kraeima, Max J H Witjes, D L Marinus Oterdoom, Maarten H Coppes, Rob J M Groen, Jos M A Kuijlen
BACKGROUND: Accurate cervical screw insertion is of paramount importance considering the risk of damage to adjacent vital structures. Recent research in 3-dimensional (3D) technology describes the advantage of patient-specific drill guides for accurate screw positioning, but consensus about the optimal guide design and the accuracy is lacking. OBJECTIVE: To find the optimal design and to evaluate the accuracy of individualized 3D-printed drill guides for lateral mass and pedicle screw placement in the cervical and upper thoracic spine...
April 5, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29655861/age-related-changes-in-urinary-flow-following-dorsal-inlay-graft-urethroplasty-for-hypospadias-in-early-childhood-potential-improvement-over-11-years-of-age
#13
Woo Jin Kim, Chihiro Hayashi, Yuichiro Yamazaki
INTRODUCTION: One of the goals of hypospadias repair is to create a neourethra with normal urinary stream and normal growth. Several studies have reported that dorsal inlay graft urethroplasty (DIG) has wide indications for various clinical phenotypes of hypospadias, with good short-term outcomes and few complications. However, there have been no reports that evaluated both short-term and long-term functional outcomes using uroflowmetry in patients with DIG. OBJECTIVE: The aim was to investigate whether uroflowmetry parameters change with time following DIG for hypospadias in early childhood...
March 23, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29628367/butterfly-cartilage-tympanoplasty-outcomes-a-single-institution-experience-and-literature-review
#14
Mejd Jumaily, Joel Franco, James A Gallogly, Joshua L Hentzelman, Dary J Costa, Alan P K Wild, Anthony A Mikulec
PURPOSE: In 1998, Dr. Eavey described the trans-canal inlay butterfly cartilage tympanoplasty technique, also known as cartilage button tympanoplasty. Many retrospective studies have since demonstrated its efficacy and decreased operative time when compared to underlay and overlay tympanoplasty techniques. The butterfly cartilage tympanoplasty approach uses only a cartilage graft to repair tympanic membrane perforations. The aim of this study was to review the literature for studies that examined butterfly cartilage tympanoplasty success rates and outcomes and compare them to outcomes from our cohort...
March 29, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29624081/metal-resurfacing-inlay-implant-for-osteochondral-talar-defects-after-failed-previous-surgery-a-midterm-prospective-follow-up-study
#15
Gwendolyn Vuurberg, Mikel L Reilingh, Christiaan J A van Bergen, Inge C M van Eekeren, Rogier M Gerards, C Niek van Dijk
BACKGROUND: Treatment of osteochondral talar defects (OCDs) after failed previous surgery is challenging. Promising short-term results have been reported with use of a metal resurfacing inlay implant. PURPOSE: To evaluate the midterm clinical effectiveness of the metal implant for OCDs of the medial talar dome after failed previous surgery. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: We prospectively studied all patients who met the inclusion criteria and received a metal resurfacing inlay implant between 2007 and 2014...
April 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29615324/comparing-the-accuracy-trueness-and-precision-of-models-of-fixed-dental-prostheses-fabricated-by-digital-and-conventional-workflows
#16
Ji-Young Sim, Yeon Jang, Woong-Chul Kim, Hae-Young Kim, Dong-Hwan Lee, Ji-Hwan Kim
PURPOSE: This study aimed to evaluate and compare the accuracy. METHODS: A reference model was prepared with three prepared teeth for three types of restorations: single crown, 3-unit bridge, and inlay. Stone models were fabricated from conventional impressions. Digital impressions of the reference model were created using an intraoral scanner (digital models). Physical models were fabricated using a three-dimensional (3D) printer. Reference, stone, and 3D printed models were subsequently scanned using an industrial optical scanner; files were exported in a stereolithography file format...
March 31, 2018: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29602412/longevity-of-gold-cast-inlays-and-onlays-is-probably-associated-with-patients-age-and-number-of-tooth-surfaces-covered
#17
Romina Brignardello-Petersen
No abstract text is available yet for this article.
March 24, 2018: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29601924/anterior-urethroplasty-using-a-new-tissue-engineered-oral-mucosa-graft-surgical-techniques-and-outcomes
#18
Guido Barbagli, Ilgar Akbarov, Axel Heidenreich, Vahudin Zugor, Roberto Olianas, Maurizio Aragona, Giuseppe Romano, Ulf Balsmeyer, Dirk Fahlenkamp, Udo Rebmann, Diana Standhaft, Massimo Lazzeri
PURPOSE: We investigated if the tissue-engineered material may be adopted using the standard techniques for anterior urethroplasty. MATERIALS AND METHOD: Retrospective, multicenter study including patients with recurrent strictures and excluding patients with failed hypospadias, lichen sclerosus, traumatic and posterior strictures. An oral mucosa biopsy of 0.5 cm2 was taken from patient's cheek and sent to the laboratory for manufacturing the graft. After 3 weeks, the tissue engineered oral mucosal graft (MukoCell®) was sent to the hospital for urethroplasty...
March 27, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29557791/the-phase-diagram-of-symmetric-electron-hole-bilayer-system-a-variational-monte-carlo-study
#19
Rajesh Sharma, Lalit Kumar Saini, Bhagwati Prasad Bahuguna
We study the phase diagram of symmetric electron-hole bilayer at zero temperature and zero magnetic field within quantum Monte Carlo approach. Particularly, we conduct variational Monte Carlo simulation for various phases viz. paramagnetic fluid phase, ferromagnetic fluid phase, anti-ferromagnetic Wigner crystal phase, ferromagnetic Wigner crystal phase and excitonic phase to
 estimate the ground-state energy at different values of inlayer density and inter-layer spacing. The Slater-Jastrow style trial wave function, with suitable single particle orbitals appropriate for different phases, are used to construct the phase diagram in (r<sub>s</sub> , d) plane by finding relative stability of trial wave functions...
March 20, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29543389/the-cd11a-and-endothelial-protein-c-receptor-marker-combination-simplifies-and-improves-the-purification-of-mouse-hematopoietic-stem-cells
#20
Alborz Karimzadeh, Vanessa M Scarfone, Erika Varady, Connie Chao, Karin Grathwohl, John W Fathman, David A Fruman, Thomas Serwold, Matthew A Inlay
Hematopoietic stem cells (HSCs) are the self-renewing multipotent progenitors to all blood cell types. Identification and isolation of HSCs for study has depended on the expression of combinations of surface markers on HSCs that reliably distinguish them from other cell types. However, the increasing number of markers required to isolate HSCs has made it tedious, expensive, and difficult for newcomers, suggesting the need for a simpler panel of HSC markers. We previously showed that phenotypic HSCs could be separated based on expression of CD11a and that only the CD11a negative fraction contained true HSCs...
March 15, 2018: Stem Cells Translational Medicine
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